It's actually awesome that there isn't any document that defines which rights are at the basis of the functioning of the state and its relationship with its subjects, and who those subjects are, because that means the state can just ignore people's needs and unperson whoever they think will win them the consent from the masses to keep ignoring them (read: migrants and Trans people).

Not that having a constitution would stop them from doing that, but at least it would put an extra step in place, and it's wild the pretense isn't being kept at all.